图16. 火星博勒拉峡谷具有弧形胶结层的新月形沙丘(来源:NASA/JPL/UA)HiRISE ESP_026784_2645_RED,中心点位置:323.5°E,84.23°N;箭头代表沙丘发育风向
Fig.16. Barchans with arched cemented layer in the Chasma Boreale (source: NASA/JPL/UA)HiRISE ESP_026784_2645_RED,center point:323.5°E,84.23°N;Arrows represent the wind direction of dune development